#include "head.h"

int epoll_add_fd(int epoll_fd, int listen_fd){
    struct epoll_event event;
    event.data = listen_fd;
    event.events = EPOLLIN;
    int ret = epoll_ctl(epoll_fd,EPOLL_CTL_ADD,file_fd,&event);
    ERROR_CHECK(ret,-1,"epoll_ctl");
}